CN100384027C - Power plug - Google Patents
Power plug Download PDFInfo
- Publication number
- CN100384027C CN100384027C CNB031019536A CN03101953A CN100384027C CN 100384027 C CN100384027 C CN 100384027C CN B031019536 A CNB031019536 A CN B031019536A CN 03101953 A CN03101953 A CN 03101953A CN 100384027 C CN100384027 C CN 100384027C
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- China
- Prior art keywords
- screw
- conductor
- terminal
- earth terminal
- attaching plug
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The present invention provides a power plug which comprises a terminal seat body, cores wires, a cover body and a grounding mechanism, wherein the terminal seat body is provided with a conductive terminal and a grounding terminal; the core wires are respectively connected with the conductive terminal and the electric wire of the grounding terminal; the cover body and the terminal seat body are connected into a whole; the grounding mechanism is used for grounding isolated metal parts (such as screws). The phenomenon that the quality of a power supply becomes bad because of the electromagnetic interference of the isolated metal parts can be prevented in a mode that the isolated metal parts in the power plug are grounded by making use of the grounding mechanism.
Description
Technical field
The invention relates to a kind of attaching plug, particularly about a kind of attaching plug that prevents the power supply quality variation.
Background technology
In recent years, aspect stereo set,, perhaps import the electric current instability of stereo set, can cause the problem of sound quality variation, caused many-sided attention about of the influence of power supply quality for sound quality.Have better mechanical strength and stability at present, the attaching plug that its firm contact has reduced electrical impedance is applied in the stereo set field, and tonequality, resolution and other many characteristic of stereo set are relatively got a promotion.
Yet, regrettably, in order to have better mechanical strength and stability, and many " the metal screws " that are arranged on attaching plug inside have caused a problem, exactly when this attaching plug inside has electric current to pass through, the magnetic field that electric current causes causes the variation near the electron energy of the metallic atom inside of the metal screw of electric current, and then cause the dissociation of the portions of electronics that originally is strapped in metallic atom inside, cause flowing of metal screw internal electron, also can produce magnetic field and produce flowing of electronics, the magnetic field that is produced then can be disturbed further from the stability of this product electric current of flowing through, so cause the tonequality deterioration of the stereo set that uses this attaching plug, can't reach the final goal that promotes tonequality fully.
Summary of the invention
For overcoming the shortcoming of above-mentioned prior art, the purpose of this invention is to provide a kind of attaching plug, the electric current of this attaching plug of can preventing to flow through produces fluctuation, attaching plug with stabling current is provided, earthing mechanism in this attaching plug, can avoid the attaching plug of no earthing mechanism in the prior art, therefore the dissociation that is had when electric current flows through can solve existing power supply plug inside electric current problem of unstable effectively.
For reaching above-mentioned and other purpose of the utility model, provided by the present invention a kind of prevent the unsettled attaching plug of electric current be the lid that comprises terminal pedestal with conducting terminal and earth terminal, electric wire that the stamen line is connected to this conducting terminal and this earth terminal, link into an integrated entity by first connector and this terminal pedestal of screw, in order to be connected this first connector and this earth terminal, make the earthing mechanism of this first connector ground connection.Wherein, the conductor that connects this first connector and this earth terminal is a copper sheet, and the middle body of this copper sheet is connected this earth terminal, and two end contacts with these two first connectors respectively.
The conducting terminal and the earth terminal that are had of this terminal pedestal is the form that can be female or public plug again.
In addition, attaching plug of the present invention also comprises the electric wire fixed mechanism that is located at this lid, this electric wire fixed mechanism comprises the pressing plate that is arranged on this electric wire route via of this lid, and passes this lid respectively, connects second connector of two screws that are located at these pressing plate two ends.Wherein, this earthing mechanism comprises: first conductor that connects this first connector and this earth terminal; Second conductor that connects these two second connectors; And connect this first connector and this second conductor, make these two second connectors via this second conductor and this first connector and the 3rd conductor of ground connection.The middle body of this first conductor is connected this earth terminal, and two terminal difference can contact with these two first connectors.This second conductor is a copper sheet, can contact with these two second connectors respectively.The substantial middle portion of this second conductor is the end openings place that is exposed to the perforate of this first connector implantation of a confession; The 3rd conductor then is the metal spring that is installed in this perforate, and this metal spring can be subjected to force compresses when this first connector is implanted this perforate, and an end apical grafting is at this first connector end, and other end apical grafting is in the substantial middle portion of this second conductor.
In addition, also can select another kind of attaching plug, it comprises that the terminal pedestal with conducting terminal and earth terminal, inner stamen line are connected to the electric wire of this conducting terminal and earth terminal, are integrally formed with this terminal pedestal, can cover relatively with this conducting terminal and earth terminal be coated on wherein two lids, in order to connect this first connector and this earth terminal, make the earthing mechanism of this first connector ground connection.This earthing mechanism, comprise the conductor that connects this first connector and this earth terminal, this conductor is provided in a side of the copper sheet of a lid inwall, one end of this copper sheet extends to this earth terminal, and can contact with this earth terminal fashionable being crushed between this lid inwall and this earth terminal of this two cover cap, its other end extends to this first connector and contacts.
Have again, also can select another attaching plug, it comprises that terminal pedestal, stamen line with conducting terminal are the electric wires that are connected to this conducting terminal and earth terminal, the lid that links into an integrated entity by first connector and this terminal pedestal, an end be among this terminal pedestal and this lid, the other end extends to the outside, with the earth connection that is connected to outside ground connection facility, this end that connects this first connector and this earth connection, make the earthing mechanism of this first connector ground connection etc.
Description of drawings
Fig. 1 is the three-dimensional skeleton diagram of the attaching plug of the embodiment of the invention 1;
Fig. 2 is terminal pedestal and the tool ground structure three-dimensional exploded view partly thereof that is applied to the attaching plug of the embodiment of the invention 1;
Fig. 3 is the terminal pedestal tool ground structure cross sectional view partly that is applied to the attaching plug of the embodiment of the invention 1;
Fig. 4 is the top view of lid that is applied to the attaching plug of the embodiment of the invention 1;
Fig. 5 is terminal pedestal and tool ground structure another three-dimensional exploded view partly thereof that is applied to the attaching plug of the embodiment of the invention 1;
Fig. 6 is the top view of the attaching plug of the embodiment of the invention 2;
Fig. 7 is the side-view of the attaching plug of the embodiment of the invention 2;
Fig. 8 is the front view of the attaching plug of the embodiment of the invention 2;
Fig. 9 is a view after the attaching plug of the embodiment of the invention 2;
Figure 10 is the three-dimensional structure diagram of the attaching plug of the embodiment of the invention 2 when not covering;
Figure 11 is the top view of the attaching plug of the embodiment of the invention 3; And
Figure 12 is the profile of the attaching plug of the embodiment of the invention 3.
Embodiment
Embodiment 1
Fig. 1 is the three-dimensional skeleton diagram of the attaching plug of the embodiment of the invention 1.As shown in the figure, this attaching plug 1 comprise terminal pedestal 10, electric wire 11, lid 12, as the screw earthing mechanism 13 of earthing mechanism.Terminal pedestal 10 has conducting terminal 100 and earth terminal 101; Electric wire 11, stamen line wherein is connected to this conducting terminal 100 and this earth terminal 101; Lid 12 with first screw 102 of first connector, links into an integrated entity lid 12 and this terminal pedestal 10.Screw earthing mechanism 13 in order to connect this first screw 102 and this earth terminal 101, makes this first screw, 102 ground connection.
Fig. 2 is applied in the terminal pedestal of attaching plug of the embodiment of the invention 1 and the three-dimensional exploded view of the screw ground structure that has part thereof, and Fig. 3 is the cross sectional view that is applied in the screw ground structure part that the terminal pedestal of the attaching plug of the embodiment of the invention 1 has.With reference to Fig. 1, Fig. 2 and Fig. 3, this screw earthing mechanism 13 comprises the conductor that connects this first screw 102 and this earth terminal 101, wherein this conductor is a copper sheet 130, one end of this copper sheet 130 is connected this earth terminal 101, the other end extends to the screw hole 1020 that passes for this first screw 102, this copper sheet 130 contacts with this first screw 102 when these first screw, 102 DRIVE SCREWS holes 1020.
Have again, this first screw 102 has two, and this conductor is the copper sheet 130 that roughly is the M shape, the middle body of this copper sheet 130 is connected this earth terminal 101, two end extends to respectively on the screw hole 1020 that these two first screws 102 of two confessions pass, this is the copper sheet 130 of M shape, when two first screws 102 screw in its separately screw hole 1020, contacts with these two first screws 102 respectively.
Again, the conducting terminal that had of this terminal pedestal 10 100 is the forms that are female with earth terminal 101.
Fig. 4 is the top view that the lid of the attaching plug of the embodiment of the invention 1 has the electric wire fixed mechanism.With reference to Fig. 2, Fig. 3, Fig. 4, the attaching plug 2 of this embodiment 1 also comprises the electric wire fixed mechanism 21 that is located at this lid, this electric wire fixed mechanism 21 comprises the pressing plate 23 that is arranged on these lid 20 these electric wire 22 route vias, and the clamping device 230 that is positioned at pressing plate 23 belows, and pass this lid 20 respectively and be arranged in two second screws 24 at these pressing plate 23 two ends, these two screws 24 are as second connector, by screwing this two second screws 24, this pressing plate 23 is leaned on to the inwall of this lid 20, fix this electric wire 22 in the mode that this electric wire 22 is pressed against on this inwall, and clamp the electric wire that passes with clamping device 230.This screw earthing mechanism 25 comprises: connect this first screw 102 and this earth terminal 101, make first conductor 130 of these first screw, 102 ground connection; Second conductor 26 that connects these two second screws 24; And connect this first screw 102 and this second conductor 26, make these two second screws 24 via this second conductor 26 and this first screw 102 and the 3rd conductor 27 of ground connection.
This first screw 102 has two, and this first conductor 130 is the copper sheets that roughly are the M shape, the middle body of this copper sheet 130 is connected this earth terminal 101, two end extends to respectively for two first screw holes 1020 that screw 102 passes, when two first screws 102 screwed in its separately screw hole 1020, first conductor 130 contacted with these two first screws 102 respectively.
This second conductor 26 is copper sheets, and the two ends of this copper sheet extend to respectively for two second screw holes 240 that screw 24 passes, and when two second screws 24 passed its separately screw hole 240, this second conductor 26 contacted with these two second screws 24 respectively.
The substantial middle portion of this second conductor 26 is the end openings places that are exposed to a screw hole 1020; The 3rd conductor is the metal spring that is installed in this screw hole, when this metal spring 27 is locked this screw hole 1020 at this first screw 102, the stressed end that is compressed to of meeting, apical grafting is at these first screw, 102 ends, and other end apical grafting is in the substantial middle portion of this second conductor 26.
Fig. 5 is applied in the terminal pedestal of attaching plug of the embodiment of the invention 1 and another three-dimensional exploded view with screw ground structure part thereof.As shown in the figure, conducting terminal that the terminal pedestal is had and earth terminal can also be the attaching plugs 26 of the public plug form among the figure except being the form of female.
Embodiment 2
Fig. 6, Fig. 7, Fig. 8, Fig. 9 are respectively top view, side-view, front view, the rearviews of the attaching plug of the embodiment of the invention 2, and Figure 10 is the three-dimensional structure diagram of the attaching plug of the embodiment of the invention 2 when not covering.With reference to Fig. 6 to Figure 10, as shown in the figure, the attaching plug device 3 of the embodiment of the invention 2 comprises terminal pedestal 30, electric wire 31, two lids 32, screw earthing mechanism 33.Wherein, this terminal pedestal 30 has conducting terminal 300 and earth terminal 301; This electric wire 31, stamen line wherein is connected to this conducting terminal 300 and earth terminal 301; Two lids 32 are integrally formed with this terminal pedestal 30, can cover relatively and this conducting terminal 300 and earth terminal 301 are coated on wherein, and it is to be connected to each other by first screw 34 to be integral; This screw earthing mechanism 33 is used for connecting this first screw 34 and this earth terminal 301, makes this first screw, 34 ground connection.
Have again, this screw earthing mechanism 33 comprises the conductor that connects this first screw 34 and this earth terminal 301, this conductor is provided in a side of the copper sheet 330 of a lid inwall, one end of this copper sheet 330 extends to this earth terminal 301, and can be when this two lid 32 covers, be crushed on 301 of this lid inwall and this earth terminals, contact with this earth terminal 301, its other end extends to the screw hole 340 that passes for this first screw 34, when these first screw, 34 DRIVE SCREWS holes 340, the other end of this copper sheet 330 contacts with this first screw 34.
In addition, this first screw 34 has two, and this conductor is provided in a side of the roughly T-shaped copper sheet 330 of a lid inwall, an end of this copper sheet extends to this earth terminal 301, and can be when this two lid 32 covers, being crushed on 301 of these lid 32 inwalls and this earth terminals contacts with this earth terminal 301, two front end extends to the screw hole 340 that two first screws 34 of two confessions pass respectively, when two first screws 34 screwed in its separately screw hole 340, this copper sheet 330 contacted with these two first screws 34 respectively.
Figure 11, Figure 12 are respectively top view, the profiles of the attaching plug of the embodiment of the invention 3.With reference to Figure 11, Figure 12, as shown in the figure, the attaching plug 4 of the embodiment of the invention 3 comprises terminal pedestal 40, electric wire 41, lid 42, earth connection 43, screw earthing mechanism 44 etc.Wherein, this terminal pedestal 40 has conducting terminal 400; The stamen line that this electric wire had is to be connected to this conducting terminal 400 and earth terminal 430; This lid 42 is to link into an integrated entity with this terminal pedestal 40 by first screw 420; This earth connection 43, the one end is among this terminal pedestal 40 and this lid 42, and the other end extends to the outside, to be connected to outside ground connection facility; And this screw earthing mechanism 44, be in order to connect the earth terminal 430 of this first screw 420 and this earth connection 43, to make this first screw ground connection 420.
Because the existence of earthing mechanism, can solve the generation of the electronics dissociation of existing power supply plug device effectively, more can improve the tonequality quality of using above-mentioned attaching plug stereo set effectively, make muddy originally sound become clean especially, especially can experience especially significantly and improve in low frequency part.
Also have, power supply is during by power supply head and power line, and metallic noise such as " west " that always can't get rid of, " neighing " all can be eliminated totally, makes the tonequality can former sound reproducing.Promote and aspect sound improves, have positive sure progressive in tonequality.
Claims (6)
1. an attaching plug is characterized in that, this attaching plug comprises:
The terminal pedestal has conducting terminal and earth terminal;
Electric wire, stamen line wherein is connected to this conducting terminal and earth terminal;
Lid links into an integrated entity by first screw and this terminal pedestal; And
Earthing mechanism, in order to connect this first screw and this earth terminal, make this first screw ground connection, this earthing mechanism has one and is the M shape, first conductor, and this first conductor is connected in this earth terminal, and this first screw has two, these first conductor, two ends extend to the screw hole that this first screw of two confessions passes respectively, and these two first screws when screwing in its separately screw hole respectively with two end in contact of this first conductor.
2. attaching plug as claimed in claim 1, it is characterized in that, this attaching plug also comprises the electric wire fixed mechanism that is located at this lid, this electric wire fixed mechanism comprises the pressing plate that is arranged on this electric wire route via of this lid, and the clamping device that is located at the pressing plate below, and pass this lid respectively and connect two second screws that are located at these pressing plate two ends, and be to screw two second screws, this pressing plate is drawn close to this cover body, this electric wire is pressed against on this inwall, thereby fix this electric wire, and clamp the electric wire that is passed, and this earthing mechanism comprises: second conductor that connects these two second screws with this clamping device; And connect this first screw and this second conductor and the 3rd conductor of ground connection.
3. attaching plug as claimed in claim 2, it is characterized in that, the two ends of this second conductor extend to these two second screw holes that screw passes of two confessions respectively, and when these two second screws passed its separately screw hole, this second conductor contacted with these two second screws respectively.
4. attaching plug as claimed in claim 3 is characterized in that, the central portion of this second conductor is the end openings place that is exposed to the screw hole of this first screw screw-in of a confession; The 3rd conductor then is the metal spring that is installed in this screw hole, and this metal spring can be subjected to force compresses when this first screw is locked this screw hole, and an end apical grafting is at this first screw end, and other end apical grafting is at the central portion of this second conductor.
5. an attaching plug is characterized in that, this attaching plug comprises:
The terminal pedestal has conducting terminal and earth terminal;
Electric wire, stamen line wherein is connected to this conducting terminal and earth terminal;
Two lids integrally formed with this terminal pedestal can cover relatively, this conducting terminal and earth terminal are coated on wherein, and are to be connected to each other by first screw to be integral; And
Earthing mechanism, connect this first screw and this earth terminal, make the first screw ground connection, this earthing mechanism has a conductor, and this conductor is located at one of them inwall of these two lids, and an end of this conductor extends to this earth terminal, and can be crushed between this lid inwall and this earth terminal and contact in that this two cover cap is fashionable with this earth terminal, its other end extends to the screw hole that passes for this first screw, and during this first screw DRIVE SCREWS hole, this first screw contacts with this conductor.
6. attaching plug as claimed in claim 5, it is characterized in that, this first screw has two, and this conductor is provided in a side of the copper sheet of the roughly T-shaped shape of a lid inwall, one end of this copper sheet extends to this earth terminal, and can contact with this earth terminal fashionable being crushed between this lid inwall and this earth terminal of this two cover cap, its two front end extends to these two first screw holes that screw passes of two confessions respectively, when two first screws screwed in its separately screw hole, this copper sheet contacted with these two first screws respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031019536A CN100384027C (en) | 2003-01-30 | 2003-01-30 | Power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031019536A CN100384027C (en) | 2003-01-30 | 2003-01-30 | Power plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1521904A CN1521904A (en) | 2004-08-18 |
| CN100384027C true CN100384027C (en) | 2008-04-23 |
Family
ID=34281525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031019536A Expired - Lifetime CN100384027C (en) | 2003-01-30 | 2003-01-30 | Power plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100384027C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3461417A (en) * | 1967-07-27 | 1969-08-12 | Gen Electric | Reinforced caps and connectors |
| US4174874A (en) * | 1978-03-15 | 1979-11-20 | Hop Lee | Electric plug |
| US4402565A (en) * | 1980-11-17 | 1983-09-06 | Leviton Manufacturing Company, Inc. | Positive retention electrical connector |
| US4634211A (en) * | 1982-09-30 | 1987-01-06 | Leviton Manufacturing Company, Inc. | Wiring device system with single screw subassembly |
| US6287131B1 (en) * | 2000-07-17 | 2001-09-11 | C. C. Deng | Plug with a receiving member for grounding prong |
| US20020137387A1 (en) * | 2000-12-14 | 2002-09-26 | Tien-Hui Lin | Adjustable plug |
-
2003
- 2003-01-30 CN CNB031019536A patent/CN100384027C/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3461417A (en) * | 1967-07-27 | 1969-08-12 | Gen Electric | Reinforced caps and connectors |
| US4174874A (en) * | 1978-03-15 | 1979-11-20 | Hop Lee | Electric plug |
| US4402565A (en) * | 1980-11-17 | 1983-09-06 | Leviton Manufacturing Company, Inc. | Positive retention electrical connector |
| US4634211A (en) * | 1982-09-30 | 1987-01-06 | Leviton Manufacturing Company, Inc. | Wiring device system with single screw subassembly |
| US6287131B1 (en) * | 2000-07-17 | 2001-09-11 | C. C. Deng | Plug with a receiving member for grounding prong |
| US20020137387A1 (en) * | 2000-12-14 | 2002-09-26 | Tien-Hui Lin | Adjustable plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1521904A (en) | 2004-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080423 |
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| CX01 | Expiry of patent term |